/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.filesystem.gcs;

import com.google.auth.Credentials;
import com.google.cloud.NoCredentials;
import com.google.cloud.storage.Storage;
import io.trino.spi.security.ConnectorIdentity;
import org.junit.jupiter.api.Test;

import static io.trino.filesystem.gcs.GcsFileSystemConfig.AuthType;
import static org.assertj.core.api.Assertions.assertThat;

final class TestGcsStorageFactory
{
    @Test
    void testApplicationDefaultCredentials()
            throws Exception
    {
        GcsFileSystemConfig config = new GcsFileSystemConfig().setAuthType(AuthType.APPLICATION_DEFAULT);
        GcsStorageFactory storageFactory = new GcsStorageFactory(config, new ApplicationDefaultAuth());

        Credentials actualCredentials;
        try (Storage storage = storageFactory.create(ConnectorIdentity.ofUser("test"))) {
            actualCredentials = storage.getOptions().getCredentials();
        }

        assertThat(actualCredentials).isEqualTo(NoCredentials.getInstance());
    }
}
